package com.kuang.dao;

import com.kuang.pojo.Department;
import com.kuang.pojo.Employee;
import org.apache.ibatis.annotations.Mapper;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

import java.util.Collection;
import java.util.HashMap;
import java.util.Map;

//员工dao
@Repository
@Mapper
public interface EmployeeDao {
    //查询员工信息
    Collection<Employee> getAll();

    //增加一个员工
    void save(Employee employee);

    //通过id查询员工
    Employee getEmployeeById(Integer id);

    //通过id删除员工
    void delete(Integer id);






    /*//模拟数据库的数据
    private static Map<Integer, Employee> employees = null;
    //员工有所属的部门
    @Autowired
    private DepartmentDao departmentDao;*/

    /*static {
        //创建一个部门表
        employees = new HashMap<Integer, Employee>();

        employees.put(1001, new Employee(1001, "AA", "A1234560@QQ.COM", 0, new Department(101, "教学部")));
        employees.put(1002, new Employee(1002, "BB", "B1234560@QQ.COM", 1, new Department(101, "市场部")));
        employees.put(1003, new Employee(1003, "CC", "C1234560@QQ.COM", 0, new Department(101, "教研部")));
        employees.put(1004, new Employee(1004, "DD", "D1234560@QQ.COM", 1, new Department(101, "运营部")));
        employees.put(1005, new Employee(1005, "EE", "E1234560@QQ.COM", 0, new Department(101, "后勤部")));
    }

    //主键自增
    private static Integer initId = 1006;

    //增加一个员工
    public void save(Employee employee) {
        if (employee.getId() == null) {
            employee.setId(initId++);
        }
        employee.setDepartment(departmentDao.getDepartmentById(employee.getDepartment().getId()));
        employees.put(employee.getId(), employee);
    }

    //查询员工信息
    public Collection<Employee> getAll() {
        return employees.values();
    }

    //通过id查询员工
    public Employee getEmployeeById(Integer id) {
        return employees.get(id);
    }

    //通过id删除员工
    public void delete(Integer id) {
        employees.remove(id);
    }*/
}